For the best results with v3.0.1's frame generation, you should limit your in-game frame rate to exactly half (for X2) or one-third (for X3) of your monitor's refresh rate to ensure perfect pacing. Avoid "Cracked" Portable Versions:

The "portable" feature in Lossless Scaling v3.0 (specifically discussed in early 2025/2026 updates) refers to the official support for handheld devices like the Steam Deck

essentially acts as the portable interface, allowing settings to be adjusted directly from the console's quick-access menu.